@misc{indiciae622a167ff684,
  title = {Seismicity of the Livermore Valley, California region 1969-1979},
  author = {William L. Ellsworth and S.M. Marks},
  year = {1980},
  doi = {10.3133/ofr80515},
  url = {https://pubs.usgs.gov/publication/ofr80515},
  note = {Source identifier: ofr80515}
}